From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jit-test/tests/debug/gc-03.js | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 js/src/jit-test/tests/debug/gc-03.js

(limited to 'js/src/jit-test/tests/debug/gc-03.js')

diff --git a/js/src/jit-test/tests/debug/gc-03.js b/js/src/jit-test/tests/debug/gc-03.js
new file mode 100644
index 000000000..773c4ad8a
--- /dev/null
+++ b/js/src/jit-test/tests/debug/gc-03.js
@@ -0,0 +1,24 @@
+// Storing a property on a Debugger.Object protects it from GC as long as the
+// referent is alive.
+
+var g = newGlobal();
+var N = g.N = 3;
+var dbg = Debugger(g);
+
+var i = 0;
+dbg.onDebuggerStatement = function (frame) {
+    frame.arguments[0].id = i++;
+};
+g.eval("function f(x) { debugger; }");
+g.eval("var arr = [], j; for (j = 0; j < N; j++) arr[j] = {};");
+g.eval("for (j = 0; j < N; j++) f(arr[j]);");
+assertEq(i, N);
+
+gc(); gc();
+
+i = 0;
+dbg.onDebuggerStatement = function (frame) {
+    assertEq(frame.arguments[0].id, i++)
+}
+g.eval("for (j = 0; j < N; j++) f(arr[j]);");
+assertEq(i, N);
-- 
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